.head-main {
    height: 5rem;
    background: #2f363c;
    color: #ffffff;
    display: flex;
    justify-content: space-between;
}

.head-main .logo {
    width: 20rem;
    display: flex;
}

.head-main .logo img {
    width: 3rem;
    height: 3rem;
    margin: 1rem;
    border-radius: 0.3rem;
}

.head-main .logo h1 {
    line-height: 5rem;
    width: 15rem;
    color: #ffffff;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.head-main .github {
    margin: 0 2rem;
    line-height: 5rem;
    width: 5rem;
    display: flex;
    justify-content: space-between;
}